Sjfm dual host extrusion coating and laminating unit&comma; the absorption of foreign advanced technology&comma; is currently a complete advanced models of double-sided laminating process&comma; the equipment used to need a complete production of double coated paper&comma; or multilayer composite materials such as carton of milk&comma; juice box&comma; beverage box&comma; etc&period;&comma; is an ideal equipment for production of aseptic packaging materials